Class 3 GK Worksheet: Our Solar System
Remember (My Very Easy Method): Order from the Sun: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune (“My Very Easy Method Just Speeds Up Naming”). Mercury – closest and smallest, Venus – hottest, Mars – the red planet, Jupiter – largest, Saturn – famous rings, Neptune – farthest. The Sun and the Pole Star are stars; the Moon, Titan and Ganymede are moons; Earth has 1 moon.
NameDateTime takenScore ___ / 40
- 1.Which of these is a moon? (a) Sirius (b) Jupiter (c) the Sun (d) Phobos
- 2.☀️ Counting from the Sun, what number planet is Earth?
- 3.🪐 Which planet is called the red planet? (a) Mars (b) Jupiter (c) Venus (d) Saturn
- 4.Which of these is a star? (a) Phobos (b) the Sun (c) Ganymede (d) Saturn
- 5.True or false: Saturn is famous for its rings. (a) True (b) False
- 6.👩🚀 What do we call a person trained to travel into space? (a) a sailor (b) a diver (c) an astronaut (d) a pilot
- 7.True or false: Venus is the hottest planet. (a) False (b) True
- 8.🪐 How many planets go round the Sun?
- 9.🕐 About how many hours does Earth take to spin round once?
- 10.Which of these is a planet? (a) the Pole Star (b) the Sun (c) Jupiter (d) Ganymede
- 11.☀️ Counting from the Sun, what number planet is Uranus?
- 12.🛰️ What is the path of a planet round the Sun called? (a) its tail (b) its axis (c) its orbit (d) its shadow
- 13.Which of these is a star? (a) Titan (b) Sirius (c) Venus (d) Jupiter
- 14.Which of these is a moon? (a) Saturn (b) Ganymede (c) the Pole Star (d) Sirius
- 15.True or false: Earth is the smallest planet. (a) False (b) True
- 16.🌌 Is Ganymede a star, a planet or a moon? (a) a moon (b) a planet (c) a star
- 17.True or false: Earth is the planet we live on. (a) True (b) False
- 18.🪐 Which planet is the largest planet? (a) Earth (b) Saturn (c) Jupiter (d) Mercury
- 19.🌕 Why does the Moon shine at night? (a) it has lamps (b) it is on fire (c) it makes its own light (d) it reflects sunlight
- 20.Which of these is a moon? (a) the Moon (b) the Sun (c) Sirius (d) Jupiter
- 21.🌍 How many moons does Earth have?
- 22.🌌 Is the Sun a star, a planet or a moon? (a) a moon (b) a planet (c) a star
- 23.🌌 Is Venus a star, a planet or a moon? (a) a moon (b) a star (c) a planet
- 24.Which of these is true of Neptune? (a) is the smallest planet (b) is farthest from the Sun (c) is called the red planet (d) is the planet we live on
- 25.Which of these is true of Venus? (a) is the smallest planet (b) is the hottest planet (c) is farthest from the Sun (d) is the planet we live on
- 26.Which of these is true of Saturn? (a) spins tipped on its side (b) is closest to the Sun (c) is the hottest planet (d) is famous for its rings
- 27.🪐 Which planet is the hottest planet? (a) Jupiter (b) Neptune (c) Mars (d) Venus
- 28.🌌 Is Saturn a star, a planet or a moon? (a) a star (b) a planet (c) a moon
- 29.True or false: Mercury is famous for its rings. (a) False (b) True
- 30.🌓 Why do we have day and night? (a) the Sun switches off (b) the Moon hides the Sun (c) clouds cover the sky (d) Earth spins on its axis
- 31.True or false: Venus is the planet we live on. (a) True (b) False
- 32.True or false: Mercury is the smallest planet. (a) False (b) True
- 33.🔭 What do we use to see faraway stars and planets clearly? (a) a stethoscope (b) a microscope (c) a telescope (d) a periscope
- 34.Which of these is a star? (a) Mars (b) the Pole Star (c) Saturn (d) Venus
- 35.🪐 Which planet spins tipped on its side? (a) Jupiter (b) Mars (c) Earth (d) Uranus
- 36.🌌 Is Jupiter a star, a planet or a moon? (a) a moon (b) a star (c) a planet
- 37.🪐 Which planet is the smallest planet? (a) Saturn (b) Earth (c) Venus (d) Mercury
- 38.Which of these is true of Jupiter? (a) has oceans of water (b) is the smallest planet (c) is called the red planet (d) is the largest planet
- 39.True or false: Saturn is farthest from the Sun. (a) True (b) False
- 40.🌌 Is Titan a star, a planet or a moon? (a) a star (b) a moon (c) a planet
Answer key
- Phobos
- 3
- Mars
- the Sun
- True
- an astronaut
- True
- 8
- 24
- Jupiter
- 7
- its orbit
- Sirius
- Ganymede
- False
- a moon
- True
- Jupiter
- it reflects sunlight
- the Moon
- 1
- a star
- a planet
- is farthest from the Sun
- is the hottest planet
- is famous for its rings
- Venus
- a planet
- False
- Earth spins on its axis
- False
- True
- a telescope
- the Pole Star
- Uranus
- a planet
- Mercury
- is the largest planet
- False
- a moon
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